/***************************************************************************

Copyright (c) Microsoft Corporation. All rights reserved.
This code is licensed under the Visual Studio SDK license terms.
THIS CODE IS PROVIDED *AS IS* WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY
IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR
PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.

***************************************************************************/

namespace Microsoft.VsSDK.IntegrationTestLibrary
{
	using System;
	using System.Collections.Generic;
	using System.Text;
	using System.Runtime.InteropServices;
	using System.Threading;
	using Microsoft.VisualStudio.Shell.Interop;

	/// <summary>
	/// Defines pinvoked utility methods and internal VS Constants
	/// </summary>
	internal static class NativeMethods
	{
		internal delegate bool CallBack(IntPtr hwnd, IntPtr lParam);

		// Declare two overloaded SendMessage functions
		[DllImport("user32.dll")]
		internal static extern UInt32 SendMessage(IntPtr hWnd, UInt32 Msg,
			UInt32 wParam, IntPtr lParam);

		[DllImport("user32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto)]
		internal static extern bool PeekMessage([In, Out] ref Microsoft.VisualStudio.OLE.Interop.MSG msg, HandleRef hwnd, int msgMin, int msgMax, int remove);

		[DllImport("user32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto)]
		internal static extern bool TranslateMessage([In, Out] ref Microsoft.VisualStudio.OLE.Interop.MSG msg);

		[DllImport("user32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto)]
		internal static extern int DispatchMessage([In] ref Microsoft.VisualStudio.OLE.Interop.MSG msg);

		[DllImport("user32.dll", ExactSpelling = true, CharSet = CharSet.Auto)]
		internal static extern int MsgWaitForMultipleObjects(int nCount, int pHandles, bool fWaitAll, int dwMilliseconds, int dwWakeMask);

		[DllImport("user32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto)]
		internal static extern bool AttachThreadInput(uint idAttach, uint idAttachTo, bool attach);

		[DllImport("user32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto)]
		internal static extern uint GetWindowThreadProcessId(IntPtr hWnd, out uint lpdwProcessId);

		[DllImport("kernel32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto)]
		internal static extern uint GetCurrentThreadId();

		[DllImport("user32")]
		internal static extern int EnumChildWindows(IntPtr hwnd, CallBack x, IntPtr y);

		[DllImport("user32")]
		internal static extern bool IsWindowVisible(IntPtr hDlg);

		[DllImport("user32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto)]
		internal static extern IntPtr SetFocus(IntPtr hWnd);

		[DllImport("user32")]
		internal static extern int GetClassName(IntPtr hWnd,
											   StringBuilder className,
											   int stringLength);
		[DllImport("user32")]
		internal static extern int GetWindowText(IntPtr hWnd, StringBuilder className, int stringLength);


		[DllImport("user32")]
		internal static extern bool EndDialog(IntPtr hDlg, int result);

		[DllImport("Kernel32")]
		internal static extern long GetLastError();

		internal const int QS_KEY = 0x0001,
						QS_MOUSEMOVE = 0x0002,
						QS_MOUSEBUTTON = 0x0004,
						QS_POSTMESSAGE = 0x0008,
						QS_TIMER = 0x0010,
						QS_PAINT = 0x0020,
						QS_SENDMESSAGE = 0x0040,
						QS_HOTKEY = 0x0080,
						QS_ALLPOSTMESSAGE = 0x0100,
						QS_MOUSE = QS_MOUSEMOVE | QS_MOUSEBUTTON,
						QS_INPUT = QS_MOUSE | QS_KEY,
						QS_ALLEVENTS = QS_INPUT | QS_POSTMESSAGE | QS_TIMER | QS_PAINT | QS_HOTKEY,
						QS_ALLINPUT = QS_INPUT | QS_POSTMESSAGE | QS_TIMER | QS_PAINT | QS_HOTKEY | QS_SENDMESSAGE;

		internal const int Facility_Win32 = 7;

		internal const int WM_CLOSE = 0x0010;

		internal const int
					   S_FALSE = 0x00000001,
					   S_OK = 0x00000000,

					   IDOK = 1,
					   IDCANCEL = 2,
					   IDABORT = 3,
					   IDRETRY = 4,
					   IDIGNORE = 5,
					   IDYES = 6,
					   IDNO = 7,
					   IDCLOSE = 8,
					   IDHELP = 9,
					   IDTRYAGAIN = 10,
					   IDCONTINUE = 11;

		internal static long HResultFromWin32(long error)
		{
			if (error <= 0)
			{
				return error;
			}

			return ((error & 0x0000FFFF) | (Facility_Win32 << 16) | 0x80000000);
		}

		/// <devdoc>
		/// Please use this "approved" method to compare file names.
		/// </devdoc>
		public static bool IsSamePath(string file1, string file2)
		{
			if (file1 == null || file1.Length == 0)
			{
				return (file2 == null || file2.Length == 0);
			}

			Uri uri1 = null;
			Uri uri2 = null;

			try
			{
				if (!Uri.TryCreate(file1, UriKind.Absolute, out uri1) || !Uri.TryCreate(file2, UriKind.Absolute, out uri2))
				{
					return false;
				}

				if (uri1 != null && uri1.IsFile && uri2 != null && uri2.IsFile)
				{
					return 0 == String.Compare(uri1.LocalPath, uri2.LocalPath, StringComparison.OrdinalIgnoreCase);
				}

				return file1 == file2;
			}
			catch (UriFormatException e)
			{
				System.Diagnostics.Trace.WriteLine("Exception " + e.Message);
			}

			return false;
		}

	}
}
